Home / 13,250.88-18,283.68-9,057.60

Finding the Fourth Proportional to 13,250.88, 18,283.68 and 9,057.60

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Solution

The fourth proportional to 13,250.88, 18,283.68 and 9,057.60 is: 12,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.88 : 18,283.68 = 9,057.60 : x
  2. Step 2: Convert to fraction form
    13,250.88/18,283.68 = 9,057.60/x
  3. Step 3: Cross multiply
    13,250.88x = 18,283.68 × 9,057.60
  4. Step 4: Simplify right side
    13,250.88x = 165,606,259.97
  5. Step 5: Solve for x
    x = 165,606,259.97/13,250.88
  6. Step 6: Final answer
    x = 12,497.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.